ecocodes
a1b2c3d4e5f6g7h8
After 3...c5 · White to move

Tarrasch Defense

The list files 27 lines under the name Tarrasch Defense, spread over three codes (D32–D34). D34 alone holds 12 of them. From the starting position of Tarrasch Defense, the most-travelled continuation is 4.cxd5, with 23 lines. The deepest, Tarrasch Defense: Classical Variation, Chandler Variation, runs to 12...Be6. At the end of four lines one side is ahead on material; six names contain the word Gambit.

Score sheet
#WhiteBlack
1d4d5
2c4e6
3Nc3c5

Where the lines split

Twenty-four of the 27 lines continue from 3...c5; the bars show how many take each next move, and the indented rows the most common reply. The other two reach the opening by a different move order.

  1. 4.cxd523
    1. 4...exd521
    2. 4...cxd42
  2. 4.e31
    1. 4...Nf61

Codes holding Tarrasch Defense lines

CodeReference lineLinesLongest line (plies)
D32Tarrasch Defense9Tarrasch Defense: Grünfeld Gambit (14)
D33Tarrasch Defense: Rubinstein System6Tarrasch Defense: Dubov Tarrasch (16)
D34Tarrasch Defense: Prague Variation, Main Line12Tarrasch Defense: Classical Variation, Chandler Variation (24)

Longest Tarrasch Defense lines

  1. Tarrasch Defense: Classical Variation, Chandler Variation 24
  2. Tarrasch Defense: Classical Variation, Main Line 22
  3. Tarrasch Defense: Classical Variation, Spassky Variation 22
  4. Tarrasch Defense: Classical Variation, Bogoljubow Variation 20
  5. Tarrasch Defense: Classical Variation, Petursson Variation 20
  6. Tarrasch Defense: Classical Variation, Réti Variation 19
  7. Tarrasch Defense: Classical Variation, Advance Variation 18
  8. Tarrasch Defense: Classical Variation, Classical Tarrasch Gambit 18